55903225 has 96 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 31933440.

The previous prime is 55903223. The next prime is 55903249. The reversal of 55903225 is 52230955.

It is not a de Polignac number, because 55903225 - 2¹ = 55903223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55903223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1300054 + ... + 1300096.

It is an arithmetic number, because the mean of its divisors is an integer number (982080).

Almost surely, 2^55903225 is an apocalyptic number.

It is an amenable number.

55903225 is a deficient number, since it is larger than the sum of its proper divisors (38376455).

55903225 is a wasteful number, since it uses less digits than its factorization.

55903225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 55903225 is about 7476.8459259236. The cubic root of 55903225 is about 382.3657238678.

The spelling of 55903225 in words is "fifty-five million, nine hundred three thousand, two hundred twenty-five".