55583371 has 2 divisors, whose sum is σ = 55583372. Its totient is φ = 55583370.

The previous prime is 55583347. The next prime is 55583389. The reversal of 55583371 is 17338555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55583371 - 2¹⁹ = 55059083 is a prime.

It is a super-2 number, since 2×55583371² = 6179022263447282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55583371.

It is not a weakly prime, because it can be changed into another prime (55583321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27791685 + 27791686.

It is an arithmetic number, because the mean of its divisors is an integer number (27791686).

Almost surely, 2^55583371 is an apocalyptic number.

55583371 is a deficient number, since it is larger than the sum of its proper divisors (1).

55583371 is an equidigital number, since it uses as much as digits as its factorization.

55583371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 37.

The square root of 55583371 is about 7455.4256082399. The cubic root of 55583371 is about 381.6350850303.

The spelling of 55583371 in words is "fifty-five million, five hundred eighty-three thousand, three hundred seventy-one".