49128025 has 12 divisors (see below), whose sum is σ = 62884864. Its totient is φ = 38034000.

The previous prime is 49127999. The next prime is 49128031. The reversal of 49128025 is 52082194.

It is not a de Polignac number, because 49128025 - 2⁹ = 49127513 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30921 + ... + 32470.

Almost surely, 2^49128025 is an apocalyptic number.

It is an amenable number.

49128025 is a deficient number, since it is larger than the sum of its proper divisors (13756839).

49128025 is a wasteful number, since it uses less digits than its factorization.

49128025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63432 (or 63427 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 49128025 is about 7009.1386774696. The cubic root of 49128025 is about 366.2489895020.

The spelling of 49128025 in words is "forty-nine million, one hundred twenty-eight thousand, twenty-five".