61558042 has 16 divisors (see below), whose sum is σ = 113645952. Its totient is φ = 24352560.

The previous prime is 61558031. The next prime is 61558067. The reversal of 61558042 is 24085516.

It is a junction number, because it is equal to n+sod(n) for n = 61557995 and 61558013.

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, 168934 + ... + 169297.

It is an arithmetic number, because the mean of its divisors is an integer number (7102872).

Almost surely, 2^61558042 is an apocalyptic number.

61558042 is a deficient number, since it is larger than the sum of its proper divisors (52087910).

61558042 is a wasteful number, since it uses less digits than its factorization.

61558042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338253.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 61558042 is about 7845.8933207124. The cubic root of 61558042 is about 394.8464756150.

The spelling of 61558042 in words is "sixty-one million, five hundred fifty-eight thousand, forty-two".