61402056 has 16 divisors (see below), whose sum is σ = 153505200. Its totient is φ = 20467344.

The previous prime is 61402049. The next prime is 61402073. The reversal of 61402056 is 65020416.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2558419 = 61402056 / (6 + 1 + 4 + 0 + 2 + 0 + 5 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279186 + ... + 1279233.

It is an arithmetic number, because the mean of its divisors is an integer number (9594075).

Almost surely, 2^61402056 is an apocalyptic number.

It is an amenable number.

61402056 is an abundant number, since it is smaller than the sum of its proper divisors (92103144).

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

61402056 is a wasteful number, since it uses less digits than its factorization.

61402056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558428 (or 2558424 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 61402056 is about 7835.9464010418. The cubic root of 61402056 is about 394.5126843048.

The spelling of 61402056 in words is "sixty-one million, four hundred two thousand, fifty-six".