61552956 has 24 divisors (see below), whose sum is σ = 143897040. Its totient is φ = 20478592.

The previous prime is 61552901. The next prime is 61552969. The reversal of 61552956 is 65925516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (5995710).

Almost surely, 2^61552956 is an apocalyptic number.

It is an amenable number.

61552956 is an abundant number, since it is smaller than the sum of its proper divisors (82344084).

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

61552956 is a wasteful number, since it uses less digits than its factorization.

61552956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9773 (or 9771 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 61552956 is about 7845.5691954121. The cubic root of 61552956 is about 394.8356010841.

The spelling of 61552956 in words is "sixty-one million, five hundred fifty-two thousand, nine hundred fifty-six".