55463039 has 4 divisors (see below), whose sum is σ = 56012280. Its totient is φ = 54913800.

The previous prime is 55463021. The next prime is 55463041. The reversal of 55463039 is 93036455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93036455 = 5 ⋅18607291.

It is a cyclic number.

It is not a de Polignac number, because 55463039 - 2⁸ = 55462783 is a prime.

It is a super-2 number, since 2×55463039² = 6152297390231042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55463099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274469 + ... + 274670.

It is an arithmetic number, because the mean of its divisors is an integer number (14003070).

Almost surely, 2^55463039 is an apocalyptic number.

55463039 is a deficient number, since it is larger than the sum of its proper divisors (549241).

55463039 is a wasteful number, since it uses less digits than its factorization.

55463039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549240.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 55463039 is about 7447.3511398349. The cubic root of 55463039 is about 381.3594864623.

The spelling of 55463039 in words is "fifty-five million, four hundred sixty-three thousand, thirty-nine".