55892393 has 2 divisors, whose sum is σ = 55892394. Its totient is φ = 55892392.

The previous prime is 55892371. The next prime is 55892401. The reversal of 55892393 is 39329855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37982569 + 17909824 = 6163^2 + 4232^2 .

It is a cyclic number.

It is not a de Polignac number, because 55892393 - 2¹² = 55888297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55192393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27946196 + 27946197.

It is an arithmetic number, because the mean of its divisors is an integer number (27946197).

Almost surely, 2^55892393 is an apocalyptic number.

It is an amenable number.

55892393 is a deficient number, since it is larger than the sum of its proper divisors (1).

55892393 is an equidigital number, since it uses as much as digits as its factorization.

55892393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The square root of 55892393 is about 7476.1215212167. The cubic root of 55892393 is about 382.3410261093.

The spelling of 55892393 in words is "fifty-five million, eight hundred ninety-two thousand, three hundred ninety-three".