50401554 has 32 divisors (see below), whose sum is σ = 116929536. Its totient is φ = 14184720.

The previous prime is 50401543. The next prime is 50401573. The reversal of 50401554 is 45510405.

It is a super-2 number, since 2×50401554² = 5080633291229832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6142 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (3654048).

Almost surely, 2^50401554 is an apocalyptic number.

50401554 is an abundant number, since it is smaller than the sum of its proper divisors (66527982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50401554 is a wasteful number, since it uses less digits than its factorization.

50401554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17990.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 50401554 is about 7099.4051863519. The cubic root of 50401554 is about 369.3867464864.

Adding to 50401554 its reverse (45510405), we get a palindrome (95911959).

The spelling of 50401554 in words is "fifty million, four hundred one thousand, five hundred fifty-four".