61522956 has 48 divisors (see below), whose sum is σ = 174007680. Its totient is φ = 18642960.

The previous prime is 61522943. The next prime is 61522957. The reversal of 61522956 is 65922516.

It is a super-2 number, since 2×61522956² = 7570148229955872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61522956.

It is not an unprimeable number, because it can be changed into a prime (61522957) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24706 + ... + 27081.

It is an arithmetic number, because the mean of its divisors is an integer number (3625160).

Almost surely, 2^61522956 is an apocalyptic number.

61522956 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61522956 is an abundant number, since it is smaller than the sum of its proper divisors (112484724).

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

61522956 is a wasteful number, since it uses less digits than its factorization.

61522956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51811 (or 51803 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 61522956 is about 7843.6570552262. The cubic root of 61522956 is about 394.7714449834.

The spelling of 61522956 in words is "sixty-one million, five hundred twenty-two thousand, nine hundred fifty-six".