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54900761 = 106351647
BaseRepresentation
bin1101000101101…
…1100000011001
310211022020200112
43101123200121
5103023311021
65240414105
71234435346
oct321334031
9124266615
1054900761
1128a98833
1216477335
13b4b2c76
1474117cd
154c46d5b
hex345b819

54900761 has 4 divisors (see below), whose sum is σ = 54953472. Its totient is φ = 54848052.

The previous prime is 54900743. The next prime is 54900767. The reversal of 54900761 is 16700945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16700945 = 53340189.

It is a cyclic number.

It is not a de Polignac number, because 54900761 - 26 = 54900697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54900767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24761 + ... + 26886.

It is an arithmetic number, because the mean of its divisors is an integer number (13738368).

Almost surely, 254900761 is an apocalyptic number.

It is an amenable number.

54900761 is a deficient number, since it is larger than the sum of its proper divisors (52711).

54900761 is a wasteful number, since it uses less digits than its factorization.

54900761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52710.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 54900761 is about 7409.5047742747. The cubic root of 54900761 is about 380.0663803704.

The spelling of 54900761 in words is "fifty-four million, nine hundred thousand, seven hundred sixty-one".

Divisors: 1 1063 51647 54900761