55387153 has 2 divisors, whose sum is σ = 55387154. Its totient is φ = 55387152.

The previous prime is 55387133. The next prime is 55387169. The reversal of 55387153 is 35178355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54582544 + 804609 = 7388^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 55387153 - 2⁹ = 55386641 is a prime.

It is not a weakly prime, because it can be changed into another prime (55387133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27693576 + 27693577.

It is an arithmetic number, because the mean of its divisors is an integer number (27693577).

Almost surely, 2^55387153 is an apocalyptic number.

It is an amenable number.

55387153 is a deficient number, since it is larger than the sum of its proper divisors (1).

55387153 is an equidigital number, since it uses as much as digits as its factorization.

55387153 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 55387153 is about 7442.2545643105. The cubic root of 55387153 is about 381.1854783582.

The spelling of 55387153 in words is "fifty-five million, three hundred eighty-seven thousand, one hundred fifty-three".