100557950 has 24 divisors (see below), whose sum is σ = 188763960. Its totient is φ = 39852000.

The previous prime is 100557943. The next prime is 100557979. The reversal of 100557950 is 59755001.

It is a super-2 number, since 2×100557950² = 20223802616405000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3776 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (7865165).

Almost surely, 2^100557950 is an apocalyptic number.

100557950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100557950 is a deficient number, since it is larger than the sum of its proper divisors (88206010).

100557950 is a wasteful number, since it uses less digits than its factorization.

100557950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18572 (or 18567 counting only the distinct ones).

The product of its (nonzero) digits is 7875, while the sum is 32.

The square root of 100557950 is about 10027.8586946566. The cubic root of 100557950 is about 465.0205409664.

The spelling of 100557950 in words is "one hundred million, five hundred fifty-seven thousand, nine hundred fifty".