Search a number
-
+
55264531 = 753148961
BaseRepresentation
bin1101001011010…
…0010100010011
310211222201200111
43102310110103
5103121431111
65252302151
71240512040
oct322642423
9124881614
1055264531
1129217073
1216611957
13b5ac70a
1474a81c7
154cb9a21
hex34b4513

55264531 has 8 divisors (see below), whose sum is σ = 64351584. Its totient is φ = 46475520.

The previous prime is 55264519. The next prime is 55264541. The reversal of 55264531 is 13546255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55264531 - 27 = 55264403 is a prime.

It is a super-2 number, since 2×552645312 = 6108336773299922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55264493 and 55264502.

It is not an unprimeable number, because it can be changed into a prime (55264541) 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, 74110 + ... + 74851.

It is an arithmetic number, because the mean of its divisors is an integer number (8043948).

Almost surely, 255264531 is an apocalyptic number.

55264531 is a deficient number, since it is larger than the sum of its proper divisors (9087053).

55264531 is a wasteful number, since it uses less digits than its factorization.

55264531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149021.

The product of its digits is 18000, while the sum is 31.

The square root of 55264531 is about 7434.0117702355. The cubic root of 55264531 is about 380.9039674565.

The spelling of 55264531 in words is "fifty-five million, two hundred sixty-four thousand, five hundred thirty-one".

Divisors: 1 7 53 371 148961 1042727 7894933 55264531