61854056 has 16 divisors (see below), whose sum is σ = 126519840. Its totient is φ = 28115440.

The previous prime is 61854029. The next prime is 61854059. The reversal of 61854056 is 65045816.

It is a happy number.

It is a super-2 number, since 2×61854056² = 7651848487302272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61854059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351356 + ... + 351531.

It is an arithmetic number, because the mean of its divisors is an integer number (7907490).

Almost surely, 2^61854056 is an apocalyptic number.

It is an amenable number.

61854056 is an abundant number, since it is smaller than the sum of its proper divisors (64665784).

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

61854056 is a wasteful number, since it uses less digits than its factorization.

61854056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702904 (or 702900 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 61854056 is about 7864.7349605692. The cubic root of 61854056 is about 395.4783629241.

The spelling of 61854056 in words is "sixty-one million, eight hundred fifty-four thousand, fifty-six".