55264530 has 16 divisors (see below), whose sum is σ = 132634944. Its totient is φ = 14737200.

The previous prime is 55264519. The next prime is 55264541. The reversal of 55264530 is 3546255.

It is an interprime number because it is at equal distance from previous prime (55264519) and next prime (55264541).

It is a super-2 number, since 2×55264530² = 6108336552241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1842151 = 55264530 / (5 + 5 + 2 + 6 + 4 + 5 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921046 + ... + 921105.

It is an arithmetic number, because the mean of its divisors is an integer number (8289684).

Almost surely, 2^55264530 is an apocalyptic number.

55264530 is an abundant number, since it is smaller than the sum of its proper divisors (77370414).

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

55264530 is a wasteful number, since it uses less digits than its factorization.

55264530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842161.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55264530 is about 7434.0117029771. The cubic root of 55264530 is about 380.9039651590.

The spelling of 55264530 in words is "fifty-five million, two hundred sixty-four thousand, five hundred thirty".