55455038 has 4 divisors (see below), whose sum is σ = 83182560. Its totient is φ = 27727518.

The previous prime is 55455031. The next prime is 55455061. The reversal of 55455038 is 83055455.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×55455038² = 6150522479162888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55454989 and 55455007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55455031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863758 + ... + 13863761.

It is an arithmetic number, because the mean of its divisors is an integer number (20795640).

Almost surely, 2^55455038 is an apocalyptic number.

55455038 is a deficient number, since it is larger than the sum of its proper divisors (27727522).

55455038 is a wasteful number, since it uses less digits than its factorization.

55455038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27727521.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 55455038 is about 7446.8139496029. The cubic root of 55455038 is about 381.3411474985.

The spelling of 55455038 in words is "fifty-five million, four hundred fifty-five thousand, thirty-eight".