55619253 has 12 divisors (see below), whose sum is σ = 82207840. Its totient is φ = 36216936.

The previous prime is 55619237. The next prime is 55619261. The reversal of 55619253 is 35291655.

55619253 is a `hidden beast` number, since 5 + 561 + 92 + 5 + 3 = 666.

It is not a de Polignac number, because 55619253 - 2⁴ = 55619237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55619203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71473 + ... + 72246.

Almost surely, 2^55619253 is an apocalyptic number.

It is an amenable number.

55619253 is a deficient number, since it is larger than the sum of its proper divisors (26588587).

55619253 is a wasteful number, since it uses less digits than its factorization.

55619253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143768 (or 143765 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55619253 is about 7457.8316553808. The cubic root of 55619253 is about 381.7171892294.

The spelling of 55619253 in words is "fifty-five million, six hundred nineteen thousand, two hundred fifty-three".