501264550 has 48 divisors (see below), whose sum is σ = 991824912. Its totient is φ = 187827200.

The previous prime is 501264539. The next prime is 501264551. The reversal of 501264550 is 55462105.

It is a super-2 number, since 2×501264550² = 502532298173405000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501264551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196785 + ... + 199315.

It is an arithmetic number, because the mean of its divisors is an integer number (20663019).

Almost surely, 2^501264550 is an apocalyptic number.

501264550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

501264550 is a deficient number, since it is larger than the sum of its proper divisors (490560362).

501264550 is a wasteful number, since it uses less digits than its factorization.

501264550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 501264550 is about 22388.9381168469. The cubic root of 501264550 is about 794.3690786883.

The spelling of 501264550 in words is "five hundred one million, two hundred sixty-four thousand, five hundred fifty".