55898072 has 16 divisors (see below), whose sum is σ = 105282240. Its totient is φ = 27822816.

The previous prime is 55898041. The next prime is 55898077. The reversal of 55898072 is 27089855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55898077) 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, 13883 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (6580140).

Almost surely, 2^55898072 is an apocalyptic number.

It is an amenable number.

55898072 is a deficient number, since it is larger than the sum of its proper divisors (49384168).

55898072 is a wasteful number, since it uses less digits than its factorization.

55898072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31562 (or 31558 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 55898072 is about 7476.5013208051. The cubic root of 55898072 is about 382.3539750458.

The spelling of 55898072 in words is "fifty-five million, eight hundred ninety-eight thousand, seventy-two".