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53992680 = 233571719199
BaseRepresentation
bin1100110111110…
…1110011101000
310202121010000220
43031331303220
5102310231210
65205130040
71223634030
oct315756350
9122533026
1053992680
1128528555
12160b9920
13b255841
1472568c0
154b17c70
hex337dce8

53992680 has 256 divisors, whose sum is σ = 207360000. Its totient is φ = 10948608.

The previous prime is 53992639. The next prime is 53992709. The reversal of 53992680 is 8629935.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 271221 + ... + 271419.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 253992680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53992680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103680000).

53992680 is an abundant number, since it is smaller than the sum of its proper divisors (153367320).

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

53992680 is a wasteful number, since it uses less digits than its factorization.

53992680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 53992680 is about 7347.9711485552. The cubic root of 53992680 is about 377.9592352669.

The spelling of 53992680 in words is "fifty-three million, nine hundred ninety-two thousand, six hundred eighty".