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55768750692 = 2239295002579
BaseRepresentation
bin110011111100000100…
…111001101001100100
312022221121202001212220
4303330010321221210
51403203300010232
641341513512340
74013000362614
oct637404715144
9168847661786
1055768750692
1121719007906
12a984a126b0
135349c5c985
1429b0944a44
1516b604e42c
hexcfc139a64

55768750692 has 24 divisors (see below), whose sum is σ = 130267183200. Its totient is φ = 18569569536.

The previous prime is 55768750691. The next prime is 55768750711. The reversal of 55768750692 is 29605786755.

55768750692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×557687506922 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55768750691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490142 + ... + 2512437.

It is an arithmetic number, because the mean of its divisors is an integer number (5427799300).

Almost surely, 255768750692 is an apocalyptic number.

It is an amenable number.

55768750692 is an abundant number, since it is smaller than the sum of its proper divisors (74498432508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55768750692 is a wasteful number, since it uses less digits than its factorization.

55768750692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003515 (or 5003513 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 60.

The spelling of 55768750692 in words is "fifty-five billion, seven hundred sixty-eight million, seven hundred fifty thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 929 1858 2787 3716 5574 11148 5002579 10005158 15007737 20010316 30015474 60030948 4647395891 9294791782 13942187673 18589583564 27884375346 55768750692