61550562 has 16 divisors (see below), whose sum is σ = 127072512. Its totient is φ = 19854960.

The previous prime is 61550549. The next prime is 61550563. The reversal of 61550562 is 26505516.

It is not an unprimeable number, because it can be changed into a prime (61550563) 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, 165273 + ... + 165644.

It is an arithmetic number, because the mean of its divisors is an integer number (7942032).

Almost surely, 2^61550562 is an apocalyptic number.

61550562 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61550562 is an abundant number, since it is smaller than the sum of its proper divisors (65521950).

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

61550562 is a wasteful number, since it uses less digits than its factorization.

61550562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330953.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 61550562 is about 7845.4166237364. The cubic root of 61550562 is about 394.8304821927.

The spelling of 61550562 in words is "sixty-one million, five hundred fifty thousand, five hundred sixty-two".