61054554 has 32 divisors (see below), whose sum is σ = 135207936. Its totient is φ = 18223920.

The previous prime is 61054547. The next prime is 61054559. The reversal of 61054554 is 45545016.

It is not an unprimeable number, because it can be changed into a prime (61054559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2482 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (4225248).

Almost surely, 2^61054554 is an apocalyptic number.

61054554 is an abundant number, since it is smaller than the sum of its proper divisors (74153382).

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

61054554 is a wasteful number, since it uses less digits than its factorization.

61054554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 61054554 is about 7813.7413573780. The cubic root of 61054554 is about 393.7670339822.

The spelling of 61054554 in words is "sixty-one million, fifty-four thousand, five hundred fifty-four".